A vulnerability, which was classified as problematic, has been found in dayrui FineCMS up to 5.2.0. Affected by this issue is an unknown code of the file core/M_Controller.php. The manipulation of the argument DR_URI with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

dayrui FineCms 5.2.0 before 2017.11.16 has Cross Site Scripting (XSS) in core/M_Controller.php via the DR_URI field.

The bug was discovered 11/16/2017. The weakness was presented 11/16/2017 (Website). The advisory is shared for download at gitee.com. This vulnerability is handled as CVE-2017-16866 since 11/16/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:core/M_Controller.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.2.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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• dayrui

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• FineCMS

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• open-source

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